The shareholders of Companhia de Saneamento Básico do Estado de São Paulo - Sabesp ('Company') are hereby called, in accordance with Article 5, paragraph 1 of the Bylaws, to an Extraordinary Shareholders' Meeting to be held on January 29, 2016, at 11:00 a.m., at the Company's headquarters, located at Rua Costa Carvalho nº 300, in the city and state of São Paulo, to resolve on the following matter:

I. Election of Fiscal Council member, for the remaining of the 2015-2016 term of office.

Proof of the shareholder status may be required at any time before the opening of the extraordinary shareholders' meeting by presentation of identification, proof of ownership and the number of shares held issued by the depositary financial institution and, in the case of proxy representation, the applicable proxy appointment duly notarized and granted within the last year.

The documents related to the matters to be discussed in the Extraordinary Shareholders' Meeting will be at the shareholders' disposal at the Company's headquarters and electronically, on the CVM's website, in the format and for the time period defined by CVM Instruction 481/2009.

São Paulo, December 22, 2015.

Benedito Pinto Ferreira Braga Júnior

Chairman of the Board of Directors

SABESP - Companhia de Saneamento Básico do Estado de São Paulo issued this content on 2015-12-22 and is solely responsible for the information contained herein. Distributed by Public, unedited and unaltered, on 2015-12-22 22:48:15 UTC

Original Document: http://www.sabesp.com.br/CalandraWeb/CalandraRedirect/?temp=4&proj=investorsnew&pub=T&par=com&db=&docidPai=91C33B4B9535F81283257690007528B8&docid=B380F42E1D39649E83257F23007BA3AE